That doesn't look like really a bug, you link the icon to a launcher and then you delete the launcher, since the target is not available the icon is not listed. What else do you expect?
-- Launcher icons disappear from the top panel Feisty amd64 https://bugs.launchpad.net/bugs/107373 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs